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Anatomy and phys. cardiovascular > Overview > Flashcards

Overview Flashcards

1
Q

Sperms and ovum carry

A

Haploid number of chromosomes

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2
Q

Pregnancy kits used when a woman misses her period to detect presence of ?

A

HCG in urine

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3
Q

During later stages of pregnancy progesterone is produced by the

A

Placenta

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4
Q

Which of the following is derived from the mesoderm?

A

Pectoralis major (muscle)

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5
Q

After fertilization ____ stimulates the corpus luteum to continue secreting progesterone

A

Human chorionic gonadotropin (HCG)

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6
Q

The ampulla of the fallopian is the site for ?

A

Fertilization

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7
Q

At which stage is embryonic development does implantation occur?

A

Blastocyst

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8
Q

Which of the following united with sperm during fertilization?

A

Secondary oocyte

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9
Q

The embryonic membrane sac that completely encloses the fetus and contains a watery fluid is the

A

Amniotic sac

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10
Q

Which of the below processes results in a larger number of cells in developing embryos?

A

Cleavage

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11
Q

Place the following terms into their correct time sequence
Fertilization
Blastocyst
Morula
Zygote
Implantation
Development of chorionic villi

A

The correct sequence for the above is fertilization, zygote, morula, blastocyst, implantation and development of chorionic villi

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12
Q

The first stage of labor is

A

From the onset of uterine contractions til complete dilation of the cervix

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13
Q

The nervous system is derived from

A

Ectoderm

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14
Q

Fraternal twins are always of the same sex

A

False

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15
Q

Stacy’s last menstrual cycle was January 7th. Her expected date of delivery is most likely to be?

A

In October

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16
Q

The genotype rr indicates that both alleles are _____ and they are both ____

A

Homozygous and recessive

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17
Q

A recessive trait has to be inherited in the homozygous form in order to manifest

A

True

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18
Q

Xc is the gene for color blindness and XC is the normal gene for color vision. In order for a girl to suffer from color blindness her genotype should be

A

XcXc

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19
Q

Gene mutation affecting the sex chromosomes in the mother would tend to be visibly expressed

A

More frequently in male offspring

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20
Q

A man and a woman have had several children but none of them are boys. They go to the doctor, who tells them in each pregnancy there is a 50% chance of conceiving a boy, and only one of the parents determines the sex of the baby. Which parent?

A

Father

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21
Q

An individual who has a recessively inherited disease can be symbolized as

A

aa

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22
Q

The gene for parkinson’s disease is dominant. If a person who is heterozygous for this train mates with a person who is also heterozygous for this trait the probability will be affected

A

75%

23
Q

Steve and Emily are expecting their second baby. They already have a son. What are their chances of another son this pregnancy?

A

50%

24
Q

Cystic fibrosis is a recessive autosomal disorder. Mom is homozygous with dominant alleles. Dad is heterozygous. What percent offspring will be afflicted and what percent will carry defective alleles

A

0, 50

25
Q

Sertoli cells in the testes are responsible for

A

Supporting and nourishing sperm

26
Q

The testis are present in the scrotum because they need a higher temperature in order to function

A

False

27
Q

The function of the testes is the production of

A

Sperm and male hormone testosterone

28
Q

The seminal vesicles

A

Produced a secretion rich in fructose

29
Q

The secretion of the prostate gland are poured into the

A

Urethra

30
Q

The normal mature human spermatozoan contains

A

23 chromosomes

31
Q

The cells that construct the blood testis barrier and provide nourishment for spermatogenic cells are

A

Sustentacular cells

32
Q

What is the normal sperm count

A

50 million to 100 million

33
Q

Which of the following statements applies to the testis correctly

A

The tunica vaginalis covers the testis

34
Q

Which of the below areas is the primary region of sperm storage and maturation

A

Epididymis

35
Q

Spermatozoa are produced in which of the following structures

A

Seminiferous tubules

36
Q

The gland that provides alkaline nutritive fluid for the sperm is the

A

Seminal vesicle

37
Q

When the uterus is bent anteriorly over the cervix it is said to be

A

Anteverted

38
Q

All of the following about the human female process of reproduction are true, except

A

Rebuilding the endometrium after menstruation is under the control of prolactin

39
Q

All of the following are true about the mammary gland except

A

Lies posterior to the pectoralis major muscle

40
Q

Which of the following statements is TRUE about the fallopian tube?

A

The cilia of the fallopian tube set up currents which help propel the zygote

41
Q

The later of the uterus responsible for contraction is the

A

Myometrium

42
Q

The posterior wall of the vagina is related to the

A

Rectum

43
Q

The function of the fimbria of the fallopian tube is to?

A

Grab the secondary oocyte as soon as ovulation occurs

44
Q

Fertilization of the secondary oocyte by sperm occurs normally in which area

A

Uterine tube

45
Q

Women are more prone to osteoporosis after menopause sets because

A

The levels of estrogen and progesterone decline

46
Q

The outcome of meiosis is to

A

Produce haploid gametes

47
Q

Which of the following will occur following ovulation

A

The endometrium enters the secretory phase

48
Q

Maturation occurs when

A

Blood levels of estrogen and progesterone decrease

49
Q

During the secretory phase of the menstrual cycle

A

Progesterone levels are at their highest

50
Q

Which of the following does NOT occur after ovulation

A

The uterus secretes estrogen and progesterone

51
Q

Preparation and maintenance of the endometrium for embryo implantation is the major function of which hormone

A

Progesterone

52
Q

The cells needed to provide spermiogenesis are

A

Interstitial, spermatogenic and Sertoli

53
Q

Rising levels of FSH stimulate

A

The ovarian follicles to develop

54
Q

The release of the secondary oocyte from the ovary is called

A

Ovulation

Anatomy and phys. cardiovascular (27 decks)

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